net: at91_can: fix the code style issue about macro

Macros with complex values should be enclosed in parentheses

Link: https://lore.kernel.org/r/1624096589-13452-4-git-send-email-huangguangbin2@huawei.com
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 3d3dc08f133a7b10b88ccde1cdc99aa3df28719b..20c67b8490d3082f4a8baafec7536a3220bffe0b 100644 (file)
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -43,14 +43,14 @@ enum at91_reg {
 };
 
 /* Mailbox registers (0 <= i <= 15) */
-#define AT91_MMR(i)            (enum at91_reg)(0x200 + ((i) * 0x20))
-#define AT91_MAM(i)            (enum at91_reg)(0x204 + ((i) * 0x20))
-#define AT91_MID(i)            (enum at91_reg)(0x208 + ((i) * 0x20))
-#define AT91_MFID(i)           (enum at91_reg)(0x20C + ((i) * 0x20))
-#define AT91_MSR(i)            (enum at91_reg)(0x210 + ((i) * 0x20))
-#define AT91_MDL(i)            (enum at91_reg)(0x214 + ((i) * 0x20))
-#define AT91_MDH(i)            (enum at91_reg)(0x218 + ((i) * 0x20))
-#define AT91_MCR(i)            (enum at91_reg)(0x21C + ((i) * 0x20))
+#define AT91_MMR(i)            ((enum at91_reg)(0x200 + ((i) * 0x20)))
+#define AT91_MAM(i)            ((enum at91_reg)(0x204 + ((i) * 0x20)))
+#define AT91_MID(i)            ((enum at91_reg)(0x208 + ((i) * 0x20)))
+#define AT91_MFID(i)           ((enum at91_reg)(0x20C + ((i) * 0x20)))
+#define AT91_MSR(i)            ((enum at91_reg)(0x210 + ((i) * 0x20)))
+#define AT91_MDL(i)            ((enum at91_reg)(0x214 + ((i) * 0x20)))
+#define AT91_MDH(i)            ((enum at91_reg)(0x218 + ((i) * 0x20)))
+#define AT91_MCR(i)            ((enum at91_reg)(0x21C + ((i) * 0x20)))
 
 /* Register bits */
 #define AT91_MR_CANEN          BIT(0)